goldengirl09itest

By goldengirl09
 * __Venus__**

Is Venus just a planet? Or is it just an example of earth? Many people look at Venus as an evening star or a morning star. Or even, an object in the sky without life to explore. Well, many other people believe that Venus once had water and life like Earth. Venus is sometimes called earth’s twin, but Earth is bigger. Venus is a really interesting planet with a spectacular history.

**//Basic information about Venus.//** Venus’s atmosphere is made up mostly of carbon dioxide at 96.5%, 3.5% nitrogen. It also has traces of sulfur dioxide, argon, carbon monoxide and oxygen. Venus atmosphere is 93 times denser than Earth’s atmosphere. Venus has no magnetic field because it rotates to slowly. Venus is 108,200,00 km from the sun. The mass is 4.869*10^24 kg. It is the sixth largest planet in the solar system. Venus is an inferior planet, so it has phases when viewed with a telescope.

Venus is known as Earth’s sister, but Earth is bigger. They both have few craters. Their densities and chemical components are the same. Venus once had water like earth but it boiled away. Venus is the nearest planet to earth. Venus has a greenhouse effect on its atmosphere. The carbon dioxide traps most of the suns heat. Venus is the 3rd brightest object in the night sky.

Venus has no moons and no rings. Its orbital period 0 years, 224 days, and 16.8 hours. Its rotation is 243 days, and 0.5 hours. Venus days are longer than its years. **//Clouds and landscapes//**

Venus has about seven thick clouds above the surface. The altitudes of these clouds are 50-70km, when the sulphur dioxide combines with the water vapor it makes sulphuric acid droplets. Some clouds on Venus are 30 miles from its atmosphere. No visible light can penetrate Venus thick clouds. With all these clouds it is really hard to observe Venus through a telescope.

Venus has no plate tectonics on its surface. Venus has the same amount of craters as earth does. It has over 1,600 volcanoes, mountains, highland terrains, and vast lava plains. It has 2 large areas that are called continents. One of them is Ishtar Terra. It has a mountain called Maxwell Montes that is a little bit taller than Mount Everest, 11km 6.6 miles. It also has Planitia near the South Pole and planitia near the North Pole. Also Venus surface has not change or moved in billion of years. Near the equator on Venus the speed is faster. Venus has highland regions that are above the mean planetary radius. This is only 15% of the surface. It has only one common elevation that is big.

Venus has a lot of depressions: Atalanta planitia, Guinevere planitia, and Lavina planitia. Most of Venus surface is covered by lava flows. The oldest terrain on Venus is 800 million years old. Venus has a hard and rocky crust. This crust is probably about 10-30 miles deep. Then comes the mantle, which has heavier rocks. The core that is mostly made of iron and nickel.

**//__History of Venus__//** Venus was named after the goddess of love and beauty. It is believed that Venus once had water like earth because they found Deuterium, a type of hydrogen that can be found on earth's oceans. Venus is 4.5 billion year old. Venus was one of the last planets to be explored. Venus was a mystery to scientist, since it was to complicated to know about Venus. How they found the first temperatures was by observing wavelengths and by radio telescopes. A transit is when Venus passes directly in front of the sun. The first obverted transit of Venus was in 1639 by Jeremiah Horrocks. The next transit of Venus’s is going to be in 2012 **__Conclusion__**

As you can see, Venus has an amazing history that can show us about earth. Now what do you think? Is it just a regular planet in space, or is it trying to show us something about Earth?

Works Cited

"38 Random Facts about Venus." Random Facts | Fun Trivia | Interesting Insight. Web. 04 Jan. 2011.

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Kerrod, Robin. Mercury and Venus. Minneapolis, MN: Lerner Publications, 2000. Print.

The Nine Planets Solar System Tour. Web. 04 Jan. 2011. .

"Venus Holds Warning for Earth." Science Daily: News & Articles in Science, Health, Environment & Technology. Web. 04 Jan. 2011. .

Windows to the Universe. Web. 04 Jan. 2011. .